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Find Double Sin(7x/12)? Double angle Formulas(Sin2A=2sinA CosA)

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Find Double Angle Sin(7x/12)? Double angle Formulas(Sin2A=2sinA CosA)

asked Nov 26, 2013 in TRIGONOMETRY by rockstar Apprentice

1 Answer

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Double angle image

image can be written as image.

The double angle formula image

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answered Apr 16, 2014 by ashokavf Scholar

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